ShitEngine
基于 C++20 与 SDL3 的轻量级 2D 游戏引擎
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EngineContext.h
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1#pragma once
2
3// 各子系统完整定义：EngineContext 按值持有全部实例
4#include "ShitEngine/Core/Game.h"
5#include "ShitEngine/Core/Config.h"
6#include "ShitEngine/Core/Window.h"
7#include "ShitEngine/Core/Time.h"
8#include "ShitEngine/Core/TextInputGate.h"
9#include "ShitEngine/Input/Input.h"
10#include "ShitEngine/Render/Renderer.h"
11#include "ShitEngine/Resource/ResourceManager.h"
12#include "ShitEngine/Audio/AudioPlayer.h"
13#include "ShitEngine/Event/EventBus.h"
14#include "ShitEngine/Scene/SceneManager.h"
15#include "ShitEngine/Reflection/TypeRegistry.h"
16
17namespace Shit {
18 class Log; // 日志为进程级全局（纯静态），不入上下文
19
40 class SHIT_API EngineContext {
41 public:
42 EngineContext() = default;
43 ~EngineContext() = default;
44
45 EngineContext(const EngineContext&) = delete;
46 EngineContext& operator=(const EngineContext&) = delete;
47 EngineContext(EngineContext&&) = delete;
48 EngineContext& operator=(EngineContext&&) = delete;
49
50 // 子系统实例（声明顺序 = 构造顺序，析构逆序；生命周期由 Game::Init/Run/Destroy 驱动）
51 Game game;
52 Config config;
53 Window window;
54 Time time;
55 TextInputGate textInputGate;
56 Input input;
57 Renderer renderer;
58 ResourceManager resources;
59 AudioPlayer audio;
60 EventBus eventBus;
61 SceneManager sceneManager;
62 TypeRegistry typeRegistry;
63
64 // --- 当前上下文 ---
66 static EngineContext& current();
68 static void setCurrent(EngineContext* ctx);
70 static void resetCurrent();
71
72 private:
73 static EngineContext* s_current;
74 };
75}
SHIT_API
#define SHIT_API
定义 Core.h:14
TextInputGate.h
Shit::AudioPlayer
定义 AudioPlayer.h:35
Shit::Config
配置管理类
定义 Config.h:77
Shit::EngineContext::resetCurrent
static void resetCurrent()
恢复进程默认上下文
Shit::EngineContext::EngineContext
EngineContext(EngineContext &&)=delete
Shit::EngineContext::config
Config config
定义 EngineContext.h:52
Shit::EngineContext::EngineContext
EngineContext()=default
Shit::EngineContext::audio
AudioPlayer audio
定义 EngineContext.h:59
Shit::EngineContext::eventBus
EventBus eventBus
定义 EngineContext.h:60
Shit::EngineContext::setCurrent
static void setCurrent(EngineContext *ctx)
切换到指定上下文（多实例/编辑器预览用）
Shit::EngineContext::typeRegistry
TypeRegistry typeRegistry
定义 EngineContext.h:62
Shit::EngineContext::renderer
Renderer renderer
定义 EngineContext.h:57
Shit::EngineContext::operator=
EngineContext & operator=(const EngineContext &)=delete
Shit::EngineContext::sceneManager
SceneManager sceneManager
定义 EngineContext.h:61
Shit::EngineContext::operator=
EngineContext & operator=(EngineContext &&)=delete
Shit::EngineContext::window
Window window
定义 EngineContext.h:53
Shit::EngineContext::game
Game game
定义 EngineContext.h:51
Shit::EngineContext::EngineContext
EngineContext(const EngineContext &)=delete
Shit::EngineContext::input
Input input
定义 EngineContext.h:56
Shit::EngineContext::time
Time time
定义 EngineContext.h:54
Shit::EngineContext::resources
ResourceManager resources
定义 EngineContext.h:58
Shit::EngineContext::current
static EngineContext & current()
当前活动上下文；未设置时懒创建一个进程默认上下文（与旧单例行为一致）
Shit::EngineContext::textInputGate
TextInputGate textInputGate
定义 EngineContext.h:55
Shit::EngineContext::~EngineContext
~EngineContext()=default
Shit::EventBus
事件总线，缓冲队列模式
定义 EventBus.h:30
Shit::Game
引擎主控类
定义 Game.h:16
Shit::Input
输入管理（单例）
定义 Input.h:39
Shit::Log
日志封装类
定义 Log.h:16
Shit::Renderer
渲染器，封装 SDL3 绘制 API
定义 Renderer.h:21
Shit::ResourceManager
资源管理器（单例）
定义 ResourceManager.h:23
Shit::SceneManager
场景管理器（单例）
定义 SceneManager.h:19
Shit::TextInputGate
文本输入聚焦门（进程级单例）
定义 TextInputGate.h:24
Shit::Time
时间管理类
定义 Time.h:13
Shit::TypeRegistry
定义 TypeRegistry.h:24
Shit::Window
窗口管理类
定义 Window.h:14
Shit
定义 AudioPlayer.h:10